update og image location

Author: Ubuntu

client/index.html

@@ -5,7 +5,7 @@
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <meta property="og:title" content="MyMaestro Sample App" />
   <meta property="og:description" content="Leverage the power of Docusign workflows with Maestro. MyMaestro showcases how the Maestro API (beta) can be used to create workflow definitions and trigger, cancel, and get status updates for workflow instances." />
-  <meta property="og:image" content="%PUBLIC_URL%/src/assets/img/og-image.jpg" />
+  <meta property="og:image" content="/og-image.jpg" />
   <title>MyMaestro</title>
   <link rel="icon" type="image/x-icon" href="./src/assets/img/favicon.png">
 </head>